Term
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Definition
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Term
| What are the 3 layers of the calvaria? |
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Definition
| Outer table or compact bone, diploe or spongy bone and inner table or compact bone |
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Term
| Emissary veins connect ______ with the cranium with veins external to it |
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Definition
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Term
| What 3 bones make up the anterior cranial fossa? |
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Definition
| ethmoid bone, frontal bone, and lesser wing of the sphenoid bone |
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Term
| What two bones make up the middle cranial fossa? |
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Definition
| sphenoid bone and temporal bone |
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Term
| What four bones make up the posterior cranial fossa? |
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Definition
| temporal bone, sphenoid bone, occipital bone, pareital bone |
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Term
| Sphenoidal ridge separates ____&_____ fossae |
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Definition
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Term
| Petrous ridge separates ____ & ____ cranial fossae |
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Definition
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Term
| What are the three layers of the meninges? |
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Definition
| dura mater, arachnoid and pia mater |
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Term
| What part of the dura mater is fused to the bone and meningeal layer except where meningeal vessels and dural venous sinuses are interposed? |
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Definition
| periosteal layer/endosteal layer |
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Term
| What layer is the true layer of dura which forms 4 double layer projecting folds and is continous with spinal cord dura mater? |
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Definition
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Term
| What layer of the meningeal layer is located between cerebral hemispheres and attaches to the crista galli and the tentorium cerebelli? |
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Definition
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Term
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Definition
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Term
| Which layer of the meningeal layer is located between the cerebellar hemispheres and attached to the internal occipital crest and tentorium cerebelli? |
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Definition
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Term
| Which layer of the meningeal layer separates the occipital lobes of the cerebrum from the cerebellum? |
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Definition
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Term
| What does the tentorium cerebelli attach to laterally? |
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Definition
| petrous ridge of the temporal bone on each side |
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Term
| What does the tentorium cerebelli attach to posteriorly? |
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Definition
| the occipitital bone at transverse sinus |
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Term
| What does the tentorium cerebelli attach to anteriorly? |
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Definition
| the sides of the anterior clinoid processes |
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Term
| What's the tentorial notch? |
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Definition
| an anterior concave margin which is open wrapping around the brainstem |
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Term
| What forms the roof of the sella turcica? |
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Definition
| the diaphragma (septum) sellae |
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Term
| The ______ sits in the hypophyseal fossa of the sella turcica |
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Definition
| hypophysis/pituitary gland |
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Term
| What two layers of dura mater do the dural venous sinuses lie between? |
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Definition
| endosteal and meningeal layers |
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Term
| What do the dural venous sinuses leave the brain as? |
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Definition
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Term
| The_______sinus is along the superior border of falx cerebri and drains into the confluence of sinuses (usually right transverse) |
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Definition
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Term
| Which sinus is along the inferior border of falx cerebri? |
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Definition
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Term
| The straight sinus is at the junction of _____ & ______, it receives the _____ &______ and empties into the confluence of sinuses usually into____transverse sinus |
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Definition
| falx cerebri and tentorium cerebelli, great cerebral vein of Galen and inferior sagittal sinus, left |
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Term
| The intercavernous sinus is in the______ and connects left and right cavernous sinuses |
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Definition
| diaphragma sellae/sellar diaphragm |
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Term
| Where is the basilar sinus? |
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Definition
| on the clivus of the occipital bone |
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Term
| The_____sinus is bordering the foramen magnum and in falx cerebelli |
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Definition
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Term
| Which paired sinus is at the attachment of the tentorium cerebelli to occipital bone of the skull? |
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Definition
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Term
| The transverse sinus drains into the ____ sinus |
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Definition
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Term
| Where is the cavernous sinus? |
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Definition
| on each side of the sella turcica |
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Term
| The sigmoid sinus connects the ________with the internal jugular vein |
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Definition
| anterior end of transverse sinus |
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Term
| The superior petrosal sinus is found along the _____ of the temporal bone where the tentorium cerebelli attaches and connects the cavernous sinus to the junction of the ____sinus and the ____sinus |
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Definition
| petrous ridge, transverse and sigmoid |
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Term
| The _____sinus connects the cavernous sinus to internal jugular vein |
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Definition
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Term
| The sphenopareital sinus is along the ______of the sphenoid bone and drains into the _____sinus |
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Definition
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Term
| The cavernous sinus is formed by dura on all sides and ____ from each layer cross the space giving it a cavernous appearance |
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Definition
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Term
| the cavernous sinus extends from the _____ of the temporal bone posteriorly to the _____ anteriorly |
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Definition
| petrous apex, superior orbital fissure |
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Term
| the oculomotor nerve, trochlear nerve, opthalmic nerve, and maxillary nerve are all in the _____ of the cavernous sinus |
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Definition
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Term
| The internal carotid artery enters the cavernous sinus from the ______ |
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Definition
| area superior to the foramen lacerum |
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Term
| Which nerve is the only one actually in the sinus? |
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Definition
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Term
| The cavernous sinus drains the venous blood of what three veins? |
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Definition
| superior opthalmic veins, cerebral veins, and sphenopareital veins |
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Term
| the cavernous sinus drains into the _______ and communicates with the ______ |
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Definition
| superior and inferior petrosal sinuses, pterygoid plexus |
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Term
| The subdural space is the space between the ____ & _____ |
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Definition
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Term
| What are the arachnoid granulations? |
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Definition
| projections of arachnoid into dural sinuses especially the superior sagittal sinus |
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Term
| Arachnoid granulations are formed by _____ that provide absorption of ______ into blood circulation |
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Definition
| capillary tufts, cerebral spinal fluid |
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Term
| Whats the subarachnoid space? |
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Definition
| space between arachnoid and pia mater |
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Term
| The subarachnoid space contains_____ and is formed by_____in the ventricles of the brain |
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Definition
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Term
| the subarachnoid space communicates with the fourth ventricle of the brain by a ____ and ____ foramina |
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Definition
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Term
| The meningeal arteries and veins supply ____ and ____ |
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Definition
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Term
| The anterior cranial fossa contains what? |
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Definition
| small vessels from more than one source |
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Term
| The middle cranial foss contains the _____ which goes through the foramen spinosum and supplies 4/5 of the dura |
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Definition
| branch of maxillary artery |
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Term
| The posterior cranial fossa contains what? |
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Definition
| small vessels from several sources |
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Term
| The meningeal nerves superior or above the level of tentorium cerebelli and are supplied by ______ |
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Definition
| all three branches of the trigeminal nerve |
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Term
| The meningeal nerves below the level of tentorium cerebelli are supplied by the ______ |
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Definition
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Term
| What are the 5 divisions of the brain? |
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Definition
| telecephalon, diencephalon, mesencephalon, metencephalon, myelencephalon |
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|
Term
The telencephalon contains the cerebral hemispheres with 1.
2.
3.
4.
lobes^ |
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Definition
| frontal, pareital, temporal and occipital |
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Term
| The telencephalon contains the _____bulb and tract which is the_____nerve |
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Definition
| olfactory bulb, olfactory nerve |
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Term
| Diencephalon is located superior to the_____ |
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Definition
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Term
| The diencephalon includes the______, optic nerves, ____gland and ____gland |
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Definition
| optic chiasma, hyphosis/pituitary, pineal |
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Term
| The mesencephalon gives origin to the ____ and ____ nerves |
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Definition
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Term
| The metencephalon consists of the ___ and ____ |
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Definition
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Term
| The pons lies of the ____ of the occipital bone and gives rise to the _____ nerve |
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Definition
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Term
| The pontomedullary junction is an exit point of the ____ from the brainstem |
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Definition
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Term
| The pontocerebellar angle is the exit point of the ____ and ____ nerves |
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Definition
| facial and vestibularcochlear |
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Term
| The myelencephalon is the origin of the ______,______, and cranial portion of the the _____ |
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Definition
| glossopharyngeal, vagus, accessory nerves |
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Term
| The _____ nerves are immediately posterior to the inferior olive, while the_____nerve is anterior to it |
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Definition
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Term
| The vertebral arteries give of branches as they enter the cranial cavity through the_______ |
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Definition
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Term
| Vessels from the vertebral arteries join from both sides to form the_______ |
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Definition
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Term
| Where is does the basilar artery lie? |
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Definition
| On the anterior aspect of the pons |
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Term
| Branches of the basilar artery, the_____arteries, descend to supply the dorsal side of the spinal cord |
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Definition
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Term
| Branches of the basilar artery, the_____arteries, join and descend to supply the ventral side of the spinal cord |
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Definition
| posterior spinal arteries |
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Term
| The______arteries supply the cerebellum |
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Definition
| PICA, AICA, superior cellebellar arteries |
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Term
| The______&_____arteries supplies the cerebellum |
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Definition
| anterior inferior cerebellar, superior cellebellar artery |
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|
Term
| The_____artery enters the internal acoustic meatus and supplies the internal ear |
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Definition
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Term
| The____branches are numerous along the length of the basilar artery |
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Definition
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Term
| The_____artery supplies the cerebral cortex |
|
Definition
| posterior cerebral artery |
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Term
| The posterior cerebral artery communicates with the _____ internal carotid artery |
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Definition
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Term
| The internal carotid artery enters the cranial cavity by passing through the carotid canal and then lying superior to the _______ |
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Definition
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|
Term
| The internal carotid artery passes through the______sinus |
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Definition
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Term
| The internal carotid artery pierces the dura as it gives off the _____ which supplies structures in the orbit |
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Definition
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|
Term
The internal carotid artery continues into the lateral fissure of the brain and has 4 branches:
1.
2.
3.
4. |
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Definition
| ophthalmic artery, posteriior communicating artery, anterior cerebral artery, middle cerebral artery |
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Term
| The ophthalmic artery enters the orbit through the optic foramen with the______ |
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Definition
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Term
| The posterior communicating artery communicates with the _________ |
|
Definition
| posterior cerebral branch of the basilar artery |
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Term
| The anterior cerebral artery crosses the _______ |
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Definition
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|
Term
| The anterior cerebral artery travels into the ______ to the brain |
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Definition
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Term
| Anterior cerebral artery communicate with each other by the unpaired_______ |
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Definition
| anterior communicating artery |
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Term
| The middle cerebral artery is the_____of the two terminal branches |
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Definition
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|
Term
| The cerebral circle of Willis is the arterial circle of vessels at ________ |
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Definition
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Term
| Anterior and posterior communicating arteries connect indirectly the______ and the______ of both sides |
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Definition
| basilar artery and internal carotid arteries |
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Term
| What arteries make up the circle of willis? |
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Definition
| posterior cerebral arteries, posterior communicating arteries, internal carotid arteries, anterior cerebral arteries, anterior communicating artery |
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Term
| What are the cranial nerves in order? |
|
Definition
| olfactory nerve (CN1), optic nerve (CN2), oculomotor (CN3), trochlear nerve (CN4), trigeminal nerve (CN5), abducens nerve (CN6), facial nerve (CN7), vestibulocochlear nerve (CN8), glossopharyngeal (CN9), vagus (CN10), accessory nerve (CN11), hypoglossal (CN12) |
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